Question

What passes through a bony tube.​

Answer 1

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The tube opens about 1.25 cm behind and slightly below the posterior end of the inferior turbinate. The bony portion is widest at its tympanic end. It passes through the squamous and petrous portions of the temporal bone but narrows gradually to the isthmus, which is the narrowest part of the eustachian tube.

Answer 2

Answer:

The tube opens about 1.25 cm behind and slightly below the posterior end of the inferior turbinate. The bony portion is widest at its tympanic end. It passes through the squamous and petrous portions of the temporal bone but narrows gradually to the isthmus, which is the narrowest part of the eustachian tube.

Tympanic passes through the bony tube.

Explanation:

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